private void ShowInternal(MessageType messageType, string text, IEnumerable <string> detail, bool withCancel = false)
{
MessageDialogWindow window = new MessageDialogWindow();
window.Caption = _title;
window.MessageType = messageType;
window.Text = text;
window.Detail = detail;
window.QuestionWithCancel = withCancel;
window.ShowMessageWindow();
_result = window.Result;
}